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首页> 外文期刊>Zeitschrift fur Angewandte Geologie >Anhydrite Cement in Rhaetian Sandstone in Southeastern Hamburg-Morphology and Structure
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Anhydrite Cement in Rhaetian Sandstone in Southeastern Hamburg-Morphology and Structure

机译：汉堡东南部Rhatian砂岩中的硬石膏水泥-形态和结构

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摘要

Deepening the drill hole Allermohe 1 located southeast of the centre of Hamburg to 3.300 m yielded a net thickness of Rhaethic sandstones of about 70 m and an aquifer temperature of about 120deg C. In spite of generally fitting the conditions for use of geothermic energy, the pore spaces of the Lower and Middle Rhaetic sandstone, originally open, at the location were filled by anhydrite to a large extent. Radioscopic examinations show different patterns of anhydrite cementation: besides sandstone layers with pore spaces totally filled with anhydrite also insular or cloudy as well as layered anhydrite cementation up to 15 mm thickness were observed in possibly cyclic sequences.
机译：将位于汉堡市中心东南方的Allermohe 1钻孔加深至3.300 m，可得到Rhaethic砂岩的净厚度约为70 m，含水层温度约为120℃。尽管大体上适合使用地热能的条件，最初在此位置的Rhaetic中下部砂岩的孔隙空间在很大程度上被硬石膏填充。射线检查表明，硬石膏的胶结形态不同：除了孔隙空间完全充满硬石膏的砂岩层外，还可能以周期性的顺序观察到岛状或浑浊以及层状硬石膏的胶结，厚度达到15mm。

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